Gate Exam Category

The specific speed of a centrifugal pump, delivering 750 litres of water per second against a head of 15 metres at 725 r.p.m., is

A. 24.8 r.p.m.
B. 48.2 r.p.m
C. 82.4 r.p.m.
D. 248 r.p.m

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Gate Other Question

Multi-stage centrifugal pumps are used to

A. give high discharge
B. produce high heads
C. pump viscous fluids
D. all of these

Which of the following pump is preferred for flood control and irrigation applications?

A. Centrifugal pump
B. Axial flow pump
C. Mixed flow pump
D. Reciprocating pump